package ooday01;
/** 构造方法的演示 */
public class ConsDemo {
    public static void main(String[] args) {
        Student zs = new Student(); //调用无参构造方法
        Student ls = new Student("李四",25); //调用2个参构造
        Student ww = new Student("王五",26,"jsd2302","003"); //调用4个参构造
        zs.sayHi();
        ls.sayHi();
        ww.sayHi();
    }
}

















